Method for heating water in a machine for making and dispensing drinks
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Solution Overview
Problem
Existing beverage machines face challenges in maintaining water at desired temperatures and flow rates for rapid heating, leading to inefficiencies and maintenance issues due to limescale buildup in heating pipes, which increases energy consumption and requires complex and costly replacements.
Innovation Solution
A device with a metal duct and electromagnetic induction winding, where the duct and winding are physically separated components, allowing for easy replacement and maintenance, and using high-frequency electromagnetic induction to rapidly heat water while minimizing limescale deposition through ultrasound vibrations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Speed
If electromagnetic induction heating is used to rapidly heat water, then heating speed is improved, but limescale deposits on the heating pipe forming blocking the pipe
Solution Approach 1:
The heating system is segmented into a removable heating pipe that can be easily detached and replaced. This allows the heating function to be maintained while the affected pipe can be quickly swapped out without disrupting the entire system, directly addressing the limescale blocking issue.
Solution Approach 2:
The heating pipe is extracted as a separate, independently replaceable component from the main heating assembly. This extraction allows the pipe to be removed and replaced when blocked by limescale, while the electromagnetic induction heating mechanism remains intact and functional.
2Loss of energy
If the heating pipe is blocked by limescale, then heating efficiency deteriorates, but replacement of the whole heater is complex and costly
Solution Approach 1:
The heater is divided into replaceable modules, specifically the heating pipe as a separate component. This segmentation allows only the blocked pipe to be replaced rather than the entire heater, simplifying maintenance and reducing costs while restoring heating efficiency.
Solution Approach 2:
The heating pipe is designed as a consumable, easily replaceable component that can be swapped out when blocked by limescale. This approach treats the pipe as a short-living element that is replaced rather than maintained, reducing the complexity and cost of system replacement.
3Productivity
If water is heated rapidly with high flow rate, then beverage preparation speed is improved, but temperature control becomes difficult
Solution Approach 1:
The system dynamically adjusts the heating parameters and water flow rate based on the selected beverage type. The control unit modifies the electromagnetic induction power and pump speed in real-time to maintain optimal temperature control while achieving the required preparation speed for different beverages.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The solution enables rapid heating of water to desired temperatures with high flow rates, reduces energy consumption, simplifies maintenance by allowing quick replacement of the duct, and prevents limescale buildup, thus improving operational efficiency and reducing costs.
Implementation Method 1
heating the water pumped into the heating duct during step b) using electromagnetic induction
Implementation Method 2
the eddy currents dissipate energy, because of Joule effect, in form of warmth heating the conductive element and consequently the water contacting therewith
Implementation Method 3
prevents limescale buildup through ultrasound vibrations
Data Source
AI summary
A method for heating water in a machine for making and dispensing beverages, the machine having a device with at least one heating metallic duct and a winding of electromagnetic induction. The device is part of a heating and feeding assembly wherein, by a logical unit, a method is carried out which, for every beverage type the machine can dispense, the temperature of heated water is brought to a specific temperature value that can be selected by the user.